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🇺🇸 United States ZIP Code

STANDARD

80123

Littleton

ZIP Code 80123 is a standard zip code serving Littleton, Littleton, Colorado (CO), in Jefferson County, United States. It has an estimated population of 44,795 with a median household income of $72,508. The area falls within the America/Denver timezone.

Median Household Income vs. National Average

$0 National: $37,585 $150K+ $72,508

Location

State / Province
Colorado (CO)
County
Jefferson
City
Littleton
Timezone
America/Denver

Coordinates

Latitude
39.620600
Longitude
-105.090100

Geographic Details

Land Area
11.88 mi²
Water Area
1.63 mi²
Population Density
3772.0 people per mi² (90th percentile)
Bounding Box
39.645711°N, 39.588584°S, -105.016037°E, -105.110153°W

With 44,795 residents spread across 11.88 square miles, this area has a population density of 3772.0 people per square mile.

Demographics

44,795

Population

95th percentile

$72,508

Median Income

85th percentile

$264,000

Median Home Value

80th percentile

11.88 mi²

Land Area

The median household income in 80123 is $72,508, and the median home value is $264,000. This places the area in the top 25% nationally for household income.

Housing

19,351

Total Units

18,609

Occupied Units

96.2%

Occupancy Rate

Nearby ZIP Codes

Other zip codes in Littleton, CO.

Similar ZIP Codes in Colorado

ZIP codes with similar median household income in Colorado.

Frequently Asked Questions

What information is available for each ZIP code?
Each ZIP code page shows city, state, county, geographic coordinates, timezone, population, median household income, median home value, housing units, land area, population density, commute time, educational attainment, area codes, and ZIP code type (Standard, PO Box, or Unique).
What are the different types of ZIP codes?
There are three types of ZIP codes: Standard (residential and commercial delivery areas), PO Box (assigned to post office box sections), and Unique (assigned to a single high-volume address like a government agency or large company). Standard ZIP codes are the most common.
How often is ZIP code data updated?
ZIP code assignments are updated quarterly by the USPS. Demographic data comes from the US Census Bureau's American Community Survey (ACS), which releases new 5-year estimates annually. ZipFYI updates its data to reflect the latest available information.
What is population density and why does it matter?
Population density measures the number of people per square mile in a ZIP code area. It helps identify urban vs. rural areas, affects real estate values, impacts service availability, and is used in market analysis. Dense urban ZIP codes may have 50,000+ people per square mile.
How are ZIP code boundaries determined?
ZIP code boundaries are determined by the USPS based on mail delivery routes, not political or geographic boundaries. They follow carrier routes and may cross city, county, or even state lines. Boundaries can change when the USPS reorganizes delivery operations.
What does median household income tell me about a ZIP code?
Median household income is the middle value when all household incomes in a ZIP code are sorted. Half of households earn more and half earn less. It is a better indicator of typical earnings than average income, which can be skewed by very high or very low outliers.